A balloon rubbed against denim gains a
charge of −2.0 µC.
What is the electric force between the
balloon and the denim when the two are
separated by a distance of 5.0 cm? (Assume that the charges are located at a
point.) The value of the Coulomb constant is
8.98755 × 10
9
N · m2
/C
2
.
Answer in units of N